PMC:7454539 / 160-307 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T4","span":{"begin":146,"end":147},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"be the source of significant concern for clinicians. By presenting 3 such cases, we highlight that pneumomediastinum can complicate the course of a"}

{"project":"LitCovid-PD-HP","denotations":[{"id":"T3","span":{"begin":99,"end":116},"obj":"Phenotype"}],"attributes":[{"id":"A3","pred":"hp_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/HP_0025421"}],"text":"be the source of significant concern for clinicians. By presenting 3 such cases, we highlight that pneumomediastinum can complicate the course of a"}